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THE LEE COMPANY
Catalog excerpts
product data sheet 281 HIGH PRESSURE DIRECTIONAL FLOW CONTROL The Lee Company’s new 281 High Pressure Directional Flow Control is the latest addition to Lee’s line of miniature directional flow control valves. These valves provide restricted flow in one direction and free flow in the other direction. This new valve is ideal for high pressure hydraulic applications with system pressures up to 5000 psi, and incorporates high strength safety screens for both flow directions. Nominal weight is just 6 grams. ■ Designed for System Pressures up to 5000 psi ■ Weighs only 6 grams ■ High Strength Screens Protect both Flow Directions ■ 100% Tested and Inspected Available in forward and reverse free flow configurations, the new Lee 281 High Pressure Directional Flow Control is constructed entirely of stainless steel for durability and long life. Metered Lohm1 Rates are available from 1000 to 10,000 Lohms. Maximum free flow restrictions are as low as 175 Lohms. Each directional flow INSTALLATION HOLE The lee company, 2 pettipaug rd., p.o. box 424, Westbrook, ct 06498-0424 The Lohm is a measure of flow resistance. Additional information can be found at www.TheLeeCo.com Tel: 860-399-6281 Fax, Order Entry: 860-399-7058 Fax, Technical Information: 860-399-7037 Web: www.TheLeeCo.com
Open the catalog to page 1
LOHMS LAWS (liquids) Every engineer will be interested in our simple system of defining the fluid resistance of Lee hydraulic components. Just as the OHM is used in the electrical industry, we find that we can use a liquid OHM or "Lohm" to good advantage on all hydraulic computations. When using the Lohm system, you can forget about coefficients of discharge and dimensional tolerances on drilled holes. These factors are automatically compensated for in the Lohm calculations, and confirmed by testing each component to establish flow tolerances. The resistance to flow of any fluid control...
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